Trifolium macrocephalum (Pursh) Poir.
Fabaceae
| Collection Number | C. Davidson 13789A |
| Collectors | C. Davidson, S. Christoph |
| Identified By | C. Davidson 2018 |
| Source | C. Davidson |
| Date | 05 June 2018 |
| Country | USA |
| state | Oregon |
| county | Wallowa |
| Location | The Nature Conservancy's Zumwalt Prairie Preserve. Upper Camp Creek Canyon, E of Duckett Barn. Elev. 1401 m. |
| Lat/Long | N 45 32 24.6 E 116 57 46.3 |
| Note | Badly eroded rocky slope. Above the creek, lightly grazed. |